Microsoft Sinks 11%
As Citigroup, 3M Rise

J.P. Morgan Chase, Alcoa
Make Some Headway;
Federated Investors Drops

As stocks finished mixed, disappointment over Microsoft's results cast a pall, although fellow Dow Jones Industrial Average members 3M and Alcoa added to gains that made them standouts in April.

The Dow industrials dropped 15.37 points, or 0.14%, to 11367.14 after hitting six-year highs in the prior two sessions. For April, the first month of the second quarter, the industrial average rose 2.3%.